Constructing a Linear Function Given Two Points

The graph of a linear function passes through the points (-2, 70) and (6, -50). Which equation represents the function?

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TEKS 8.5I

Write equation of the line containing (6,3) and (4,1)
_{(hint: plot points on a graph)}

• y = -1x + 5

• y = 1x - 3

• y = 1x + 5

• y = -1x + 3

Write the equation that is solved by both (-3, -1) and (3, 1).

• y = -3x - 5

• y = (-1/3)x + 5

• y = 3x + 1

• y = (1/3)x + 0

Write the equation of the line that passes through the points

(2, -2) and (1, 1).

• y = -3x + 4

• y = 4x + 2

• y = -2x + 4

• y = 2x + 4

Write the linear equation that is solved by both (−6, 2) and (0, 4):

• y = (1/3)x + 4

• y = (-1/3)x + 4

• y = -3x + 4

• y = 3x + 4

Which of the linear equations below is solved by both (−9, 11) and (−2, 4) ?

• y = (−2/9)x + 11

• y = x - 2

• y = −x + 2

• y = −11x + 2/9

Which of the equations below would have a line that passes through both (1, 7) and (0, −9)?

• y = 1/2x − 9

• y = 16x − 9

• y = -1/2x − 9

• y = =16x − 9

Write the equation of the line that passes through the points (-2, -1) and (0, 5).

• y = 3x - 5

• y = 1/3x + 5

• y = 3x + 5

• y = 1/3x

Write the equation of the line that passes through the points
(3, 3) and (4, -1).

• y = -4x - 15

• y = 1/4x + 15

• y = -4x + 15

• y = -1/4x - 15

Write equation of the line containing (6,3) and (4,1)

• y = -1x + 5

• y = 1x - 3

• y = 1x + 5

• y = -1x + 3